Finding the Fourth Proportional to 5,138,050.44, 7,090,414.74 and 2,846,160.84
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Solution
The fourth proportional to 5,138,050.44, 7,090,414.74 and 2,846,160.84 is: 3,927,649.41
Step by Step Solution
- Step 1: Write the proportion equation
5,138,050.44 : 7,090,414.74 = 2,846,160.84 : x - Step 2: Convert to fraction form
5,138,050.44/7,090,414.74 = 2,846,160.84/x - Step 3: Cross multiply
5,138,050.44x = 7,090,414.74 × 2,846,160.84 - Step 4: Simplify right side
5,138,050.44x = 20,180,460,772,346.78 - Step 5: Solve for x
x = 20,180,460,772,346.78/5,138,050.44 - Step 6: Final answer
x = 3,927,649.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.